Change animation frames (#3627)

## Description
- Changes animation frames to be smaller
- Cleans up file names and popup logic

## tests
- Passes local CI

codex-rs/tui/frames/shapes/frame_8.txt

@@ -0,0 +1,17 @@
+                                      
+             ◆◆□◆●□□●□▲◆              
+           ▲■□△◇◇◇□●● ◇ ■□            
+         ◆◇●▲◇△△□ ▲■◇△◇□○□○▲          
+        ◆□○□△◇▲□◇     ■ ●○◇◇○         
+        ■ △◇△▲○◇△○      △■○◇◇▲        
+       ◇■▲◇○○○◆○◇◆□      ○□◇◇◇        
+       ◇□◇◇◇ ■◆●○◇◆◇     ◇○◇△◇▲       
+       ○▲◇◇△  ◇□○△◇▲□△    △◆△◇◇       
+       ○ ○◇◇◆○  △□●◇◇△□▲□▲▲○◇◇◇       
+          ○□△●◆◇■▲◇▲◇◇●◇●◆◆◇◇●■       
+        △△○○◇○◇◇◇△■○□○□■○□■△○◇        
+        ■▲■◇○◇◆◆        △▲△△△■        
+         ■○◆□○○○◆    ◆△○◆◇□△□         
+           △△■◇▲□ ●●□□●△●▲◇◆          
+             ◇◇◆□□○◇◆▲□△●◆            
+                  ◆◆